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function is not described

wp_register_fatal_error_handler() WP 5.2.0

Registers the shutdown handler for fatal errors.

The handler will only be registered if wp_is_fatal_error_handler_enabled() returns true.

No Hooks.

Return

Null. Nothing.

Usage

wp_register_fatal_error_handler();

Changelog

Since 5.2.0 Introduced.

Code of wp_register_fatal_error_handler() WP 5.5.1

<?php
function wp_register_fatal_error_handler() {
	if ( ! wp_is_fatal_error_handler_enabled() ) {
		return;
	}

	$handler = null;
	if ( defined( 'WP_CONTENT_DIR' ) && is_readable( WP_CONTENT_DIR . '/fatal-error-handler.php' ) ) {
		$handler = include WP_CONTENT_DIR . '/fatal-error-handler.php';
	}

	if ( ! is_object( $handler ) || ! is_callable( array( $handler, 'handle' ) ) ) {
		$handler = new WP_Fatal_Error_Handler();
	}

	register_shutdown_function( array( $handler, 'handle' ) );
}